feat: add TTR simulator and calculation engine, enhance member model with TTR adjustment constant

backend/services/clubService.js

@@ -59,6 +59,8 @@ class ClubService {
                 {
                     model: User,
                     as: 'Users',
+                    where: { isHidden: false },
+                    required: false,
                     through: {
                         attributes: []
                     }
@@ -224,6 +226,8 @@ class ClubService {
                 {
                     model: User,
                     as: 'user',
+                    where: { isHidden: false },
+                    required: true,
                 }
             ]
         });

backend/services/emailService.js

@@ -1,4 +1,5 @@
 import nodemailer from 'nodemailer';
+import User from '../models/User.js';
 
 let transporter = null;
 
@@ -38,7 +39,32 @@ function getEmailTransportStatus() {
   };
 }
 
+function normalizeRecipientList(recipients) {
+  const values = Array.isArray(recipients) ? recipients : [recipients];
+  return values
+    .flatMap((value) => String(value || '').split(','))
+    .map((value) => value.trim().toLowerCase())
+    .filter(Boolean);
+}
+
 async function sendMail(mailOptions) {
+  const recipients = normalizeRecipientList(mailOptions.to);
+  if (recipients.length) {
+    const suppressedUsers = await User.findAll({
+      where: { email: recipients, suppressEmails: true },
+      attributes: ['email'],
+    });
+    const suppressedEmails = new Set(suppressedUsers.map((user) => String(user.email).toLowerCase()));
+    const allowedRecipients = recipients.filter((email) => !suppressedEmails.has(email));
+
+    if (!allowedRecipients.length) {
+      console.info('[email] Delivery suppressed for hidden test account');
+      return { suppressed: true, accepted: [], rejected: [] };
+    }
+
+    mailOptions = { ...mailOptions, to: allowedRecipients.join(', ') };
+  }
+
   return getTransporter().sendMail({
     from: getDefaultFrom(),
     ...mailOptions,

backend/services/memberService.js

@@ -1,4 +1,5 @@
 import UserClub from "../models/UserClub.js";
+import User from "../models/User.js";
 import Club from "../models/Club.js";
 import { checkAccess, getUserByToken, hasUserClubAccess } from "../utils/userUtils.js";
 import Member from "../models/Member.js";
@@ -221,6 +222,17 @@ class MemberService {
         if (!showAll || showAll === 'false') {
             where['active'] = true;
         }
+        const hiddenUsers = await User.findAll({
+            where: { isHidden: true },
+            attributes: ['id'],
+        });
+        const hiddenUserIds = hiddenUsers.map((user) => user.id);
+        if (hiddenUserIds.length) {
+            where[Op.or] = [
+                { userId: null },
+                { userId: { [Op.notIn]: hiddenUserIds } },
+            ];
+        }
         const MemberContact = (await import('../models/MemberContact.js')).default;
         try {
             const members = await Member.findAll({

backend/services/permissionService.js

@@ -474,7 +474,13 @@ class PermissionService {
 
     const userClubs = await UserClub.findAll({
       where: { clubId },
-      include: [{ model: User, as: 'user', attributes: ['id', 'email'] }],
+      include: [{
+        model: User,
+        as: 'user',
+        attributes: ['id', 'email'],
+        where: { isHidden: false },
+        required: true,
+      }],
       order: [[{ model: User, as: 'user' }, 'email', 'ASC']],
     });